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+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+
+===================
+New Parser keywords
+===================
+
+1.NFV-tosca new keywords
+------------------------
+
+All keywords in nfv tosca are not implemented in code, and will be
+implemented by parser.
+
+1.1 Nodes types
+~~~~~~~~~~~~~~~
+
+Basic types
+^^^^^^^^^^^
+
+* tosca.nodes.nfv.VDU
+* tosca.nodes.nfv.CP
+* tosca.nodes.nfv.VL
+
+Extend types
+^^^^^^^^^^^^
+
+* tosca.nodes.nfv.VL.ELine
+* tosca.nodes.nfv.VL.ELAN
+* tosca.nodes.nfv.VL.ETree
+* tosca.nodes.nfv.FP
+
+1.2 Capability types
+~~~~~~~~~~~~~~~~~~~~
+
+Basic types
+^^^^^^^^^^^
+
+* tosca.capabilities.nfv.VirtualBindable
+* tosca.capabilities.nfv.VirtualLinkable
+* tosca.capabilities.nfv.HA.ActiveActive
+* tosca.capabilities.nfv.HA.ActivePassive
+* tosca.capabilities.nfv.Metric
+
+Extend types
+^^^^^^^^^^^^
+
+* tosca.capabilities.nfv.Forwarder
+* tosca.capabilities.nfv.CPU\_extension
+* tosca.capabilities.nfv.Memory\_extension
+* tosca.capabilities.nfv.Hypervisors
+* tosca.capabilities.nfv.PCIe
+* tosca.capabilities.nfv.network.Interfaces
+* tosca.capabilities.nfv.network.Virtual\_switches
+* tosca.capabilities.nfv.Storage
+
+1.3 Relationship types
+~~~~~~~~~~~~~~~~~~~~~~
+
+Basic types
+^^^^^^^^^^^
+
+* tosca.relationships.nfv.VirtualBindsTo
+* tosca.relationships.nfv.VirtualLinksTo
+* tosca.relationships.nfv.HA
+* tosca.relationships.nfv.Monitor
+
+Extend types
+^^^^^^^^^^^^
+
+* tosca.relationships.nfv.ForwardsTo
+
+1.4 Group Types
+~~~~~~~~~~~~~~~
+
+* tosca.groups.nfv.VNFFG
+
+2.Simple-tosca new keywords
+---------------------------
+
+Some keywords are only defined in tosca simple profile,but are not
+supported in tosca-paser, and some keywords such as "policy type", are not yet defined
+completely so far.
+
+2.1 topology template keyname
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+* "substitution\_mappings" syntax
+
+    An optional declaration that exports the topology template as an
+    impletmentation of a node type, which is not supported by tosca-parser.
+
+2.2 Group types
+~~~~~~~~~~~~~~~
+
+Basic types
+^^^^^^^^^^^
+
+* tosca.group.root
+
+2.3 Policy Types
+~~~~~~~~~~~~~~~~
+
+Basic types
+^^^^^^^^^^^
+
+* tosca.policies.Root
+* tosca.policies.Placement
+* tosca.policies.Scaling
+
+Extend types
+^^^^^^^^^^^^
+
+* tosca.policies.Update
+* tosca.policies.Performance
+* tosca.policy.placement.Antilocate
+* tosca.policy.placement.Colocate
+